import Vue from 'vue'
import Router from 'vue-router'
import routes from './routers'
import store from '@/store'
import iView from 'iview'
import { subPath } from '../../package.json'
import {
  clearCookiesInfo,
  getCookiesInfo,
  canTurnTo,
  setTitle
} from '@/libs/util'
import config from '@/config'
const { homeName } = config

Vue.use(Router)
const router = new Router({
  routes,
  mode: process.env.NODE_ENV === 'production' ? 'hash' : 'history',
  // base: process.env.NODE_ENV === 'production' ? '/izrdp/' : '/'
  base: process.env.NODE_ENV === 'production' ? subPath : '/'
})
const LOGIN_PAGE_NAME = 'login'

const getHomePage = (store) => {
  try {
    if (store.state.user.operatorId == 0 && store.state.user.stationId == 0) {
      return 'agent_info'
    } else if (store.state.user.operatorId != 0 && store.state.user.stationId == 0) {
      return 'user_edit'
    } else if (store.state.user.operatorId != 0 && store.state.user.stationId != 0) {
      return 'station_manage'
    }
  } catch (e) {
    return homeName
  }
}

const turnTo = (to, access, next) => {
  // 有权限，可访问
  if (canTurnTo(to, access, routes)) {
    if (to.path === '/') {
      next({
        name: getHomePage(store)
      })
    } else {
      next()
    }
  }
  // 无权限，重定向到401页面
  else {
    next({ replace: true, name: 'error_401' })
  }
}

router.beforeEach((to, from, next) => {
  iView.LoadingBar.start()
  const { token } = getCookiesInfo()
  if (!token && to.name !== LOGIN_PAGE_NAME) {
    // 未登录且要跳转的页面不是登录页
    next({
      name: LOGIN_PAGE_NAME // 跳转到登录页
    })
  } else if (!token && to.name === LOGIN_PAGE_NAME) {
    // 未登陆且要跳转的页面是登录页
    next() // 跳转
  } else if (token && to.name === LOGIN_PAGE_NAME) {
    // 已登录且要跳转的页面是登录页
    next({
      name: getHomePage(store) // 跳转到homeName页
    })
  } else {
    if (store.state.user.hasGetInfo) {
      turnTo(to, store.state.user.access, next)
    } else {
      store
        .dispatch('getUserInfo')
        .then(user => {
          // 拉取用户信息，通过用户权限和跳转的页面的name来判断是否有权限访问;access必须是一个数组，如：['super_admin'] ['super_admin', 'admin']
          turnTo(to, user.access, next)
        })
        .catch(() => {
          clearCookiesInfo()
          next({
            name: 'login'
          })
        })
    }
  }
})

router.afterEach(to => {
  setTitle(to, router.app)
  iView.LoadingBar.finish()
  window.scrollTo(0, 0)
})

export default router
